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+str: Support for arbitrary, fusable graph processing stages (octopus)

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Endre Sándor Varga 2015-08-19 15:22:02 +02:00
parent 530bd13d2a
commit 19c20dfb20
7 changed files with 2022 additions and 1 deletions
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16
akka-stream/src/main/scala/akka/stream/impl/ActorMaterializerImpl.scala
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@ -13,7 +13,7 @@ import akka.stream.impl.GenJunctions.ZipWithModule
import akka.stream.impl.GenJunctions.UnzipWithModule
import akka.stream.impl.Junctions._
import akka.stream.impl.StreamLayout.Module
import akka.stream.impl.fusing.ActorInterpreter
import akka.stream.impl.fusing.{ ActorGraphInterpreter, GraphModule, ActorInterpreter }
import akka.stream.impl.io.SslTlsCipherActor
import akka.stream._
import akka.stream.io.SslTls.TlsModule
@ -112,6 +112,20 @@ private[akka] case class ActorMaterializerImpl(val system: ActorSystem,
assignPort(tls.plainIn, FanIn.SubInput[Any](impl, SslTlsCipherActor.UserIn))
assignPort(tls.cipherIn, FanIn.SubInput[Any](impl, SslTlsCipherActor.TransportIn))
case graph: GraphModule ⇒
val calculatedSettings = effectiveSettings(effectiveAttributes)
val props = ActorGraphInterpreter.props(graph.assembly, graph.shape, calculatedSettings)
val impl = actorOf(props, stageName(effectiveAttributes), calculatedSettings.dispatcher)
for ((inlet, i) ← graph.shape.inlets.iterator.zipWithIndex) {
val subscriber = new ActorGraphInterpreter.BoundarySubscriber(impl, i)
assignPort(inlet, subscriber)
}
for ((outlet, i) ← graph.shape.outlets.iterator.zipWithIndex) {
val publisher = new ActorPublisher[Any](impl) { override val wakeUpMsg = ActorGraphInterpreter.SubscribePending(i) }
impl ! ActorGraphInterpreter.ExposedPublisher(i, publisher)
assignPort(outlet, publisher)
}
case junction: JunctionModule ⇒
materializeJunction(junction, effectiveAttributes, effectiveSettings(effectiveAttributes))
}